72227626 has 32 divisors (see below), whose sum is σ = 119727360. Its totient is φ = 32550336.

The previous prime is 72227593. The next prime is 72227627. The reversal of 72227626 is 62672227.

It is a junction number, because it is equal to n+sod(n) for n = 72227591 and 72227600.

It is not an unprimeable number, because it can be changed into a prime (72227627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65536 + ... + 66628.

It is an arithmetic number, because the mean of its divisors is an integer number (3741480).

Almost surely, 2^72227626 is an apocalyptic number.

72227626 is a deficient number, since it is larger than the sum of its proper divisors (47499734).

72227626 is a wasteful number, since it uses less digits than its factorization.

72227626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198.

The product of its digits is 28224, while the sum is 34.

The square root of 72227626 is about 8498.6837804451. The cubic root of 72227626 is about 416.4547118965.

The spelling of 72227626 in words is "seventy-two million, two hundred twenty-seven thousand, six hundred twenty-six".